Display screen with a graphical user interface



FIG. 1 is the first image in a sequence of a display screen with a graphical user interface showing my new design;

FIG. 2 is the second image thereof; and,

FIG. 3 is the third image thereof.

The broken lines shown in the figures represent portions of the display screen and graphical user interface that form no part of the claimed design. The subject matter in this patent includes a process or period in which an image changes into another image. This process or period forms no part of the claimed design. 

CLAIM The ornamental design for a display screen with a graphical user interface, as shown and described. 